Rack with treadplate beams and perforated columns



FIG. 1 is an isometric view of the rack with treadplate beams and perforated columns showing my new design;

FIG. 2 is a front elevational view thereof, the rear view being a mirror image;

FIG. 3 is a right side elevational view thereof, the left side being a mirror image;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom view thereof; and,

FIG. 6 is an enlarged isometric cross-sectional view of the encircled portion of FIG. 1.

The broken lines showing is included for the purpose of illustrating environment of the design only and forms no part of the claimed design. 

CLAIM The ornamental design for a rack with treadplate beams and perforated columns, as shown and described. 